1657479940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{118901}}^1$

素因数の和:118968

約数の個数: 48

約数和(自身を含む): 3775376304

約数和(自身を除く): 2117896364

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 410, 697, 820, 1394, 2788, 3485, 6970, 13940, 118901, 237802, 475604, 594505, 1189010, 2021317, 2378020, 4042634, 4874941, 8085268, 9749882, 10106585, 19499764, 20213170, 24374705, 40426340, 48749410, 82873997, 97498820, 165747994, 331495988, 414369985, 828739970, 1657479940]

約数ペア:

[(1, 1657479940), (2, 828739970), (4, 414369985), (5, 331495988), (10, 165747994), (17, 97498820), (20, 82873997), (34, 48749410), (41, 40426340), (68, 24374705), (82, 20213170), (85, 19499764), (164, 10106585), (170, 9749882), (205, 8085268), (340, 4874941), (410, 4042634), (697, 2378020), (820, 2021317), (1394, 1189010), (2788, 594505), (3485, 475604), (6970, 237802), (13940, 118901)]